CVE-2026-8874

HIGH

7.1

CVSS Score

Published: June 3, 2026 at 06:03 PM UTC

Updated: July 22, 2026 at 08:24 PM UTC

1 product affected across 1 vendorSecurly

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Severity

HIGH7.1

Exploit prediction

EPSS 0.1%

SSVC

No known exploit

Description

Version 3.0.7 of the Securly Chrome Extension downloads JSON files containing crisis alert keywords and filtering rules over unencrypted HTTP via the Fetch API. Other endpoints in the same extension correctly fetch IWF and CIPA data over HTTPS, demonstrating an inconsistent implementation of TLS.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Securly · Securly

95%

v < 3.0.73.0.7

Affected range stops below 3.0.7, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Third Party Advisory

Source: cverecord

https://kb.cert.org/vuls/id/595768

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHCISA-ADP

Attack Vector: ADJACENT_NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: LOW
Integrity: HIGH
Availability: NONE

Vector?

Quick Info

StatusANALYZED

CWE

CWE-319

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